Collection: Drill, Cutting & Grinding Bits

Drill, Cutting & Grinding Bits – Precision Tools for Every Job

Whether you're a seasoned tradesperson, a weekend DIY warrior, or a CNC machinist, having the right drill, cutting, and grinding bits makes all the difference between a clean finish and a costly mistake. Our expertly curated collection brings together everything you need — from ultra-thin diamond cutting discs and heavy-duty grinding cup wheels to titanium-coated HSS drill bits and precision end mills. Built for performance across wood, metal, tile, glass, ceramic, marble, and more, these bits are engineered to cut faster, last longer, and deliver consistently professional results on every project.

Why Choose Our Drill, Cutting & Grinding Bits?

• Wide Material Compatibility: Our range covers wood, steel, aluminium, glass, tile, ceramic, marble, porcelain, and plastic — one collection for all your cutting and drilling needs.
• Professional-Grade Quality: From titanium HSS coatings that resist heat and wear to vacuum-brazed diamond segments built for precision, every bit is designed to perform under pressure.
• Versatile Sizing Options: Choose from multiple sizes and pack quantities to suit your workload — whether you need a single specialist bit or a full set for the workshop.
• Safe & Reliable: All cutting and grinding accessories are compatible with standard angle grinders and CNC routers, ensuring a secure, stable fit during use.

Featured Products

• 10/14mm Sphere Rotary Grinding Head – Wood Carving Engraving Bit — Perfect for detailed wood carving and engraving, this rotary ball grinding head fits standard angle grinders and delivers smooth, controlled material removal.
• 100mm Diamond Cutting Disc for Glass, Tile & Ceramic | 1–3 Pack — A must-have for tiling and glazing work, this diamond-tipped disc slices cleanly through glass, tile, and ceramic with minimal chipping.
• 3PCS 115mm Diamond Saw Blades – Ultra Thin Cutting Discs — Vacuum-brazed for superior bond strength, these ultra-thin blades are ideal for precision cuts in marble, glass, and porcelain.
• 4-Flute HSS End Mill Set | TiN Coated CNC Milling Cutters 1.5–10mm — Titanium nitride coated for extended tool life, this end mill set is the go-to choice for CNC routing and precision milling applications.
• 99-Piece HSS Drill Bit Set 1.5–10mm | Metal Wood Plastic — A comprehensive drill bit set that handles everything from softwood to structural steel, complete with a handy storage case to keep your workshop organised.

Shop by Category

• Diamond Cutting Discs: Designed for tile, glass, ceramic, and stone. Browse our 100mm Diamond Grinding Disc & Angle Grinder Dust Shroud Kit for dust-controlled grinding.
• Grinding Cup Wheels: Heavy-duty surface grinding for concrete and masonry. See our 4" Diamond Turbo Grinding Cup Wheel 12-Seg Angle Grinder Disc.
• HSS Twist Drill Bits: Titanium-coated for long-lasting sharpness across wood, metal, and plastic. Check out our 50/99pc Titanium HSS Twist Drill Bit Set 1–3mm.
• CNC End Mills: 4-flute titanium HSS end mills for precision milling and routing. Explore our full 4-Flute Titanium HSS End Mill Set 1.5–10mm range.

Cutting & Grinding Safety – What You Need to Know

Working with high-speed rotary cutting and grinding tools carries real risks if proper safety precautions aren't followed. Always wear appropriate personal protective equipment (PPE) including eye protection, hearing protection, and gloves. Ensure all bits and discs are rated for your tool's RPM, and inspect them for cracks or damage before each use. For comprehensive workplace safety guidelines when using abrasive wheels and power tools, refer to the OSHA Abrasive Wheels Safety Standards — an essential resource for professionals and DIYers alike. Additionally, the U.S. Consumer Product Safety Commission (CPSC) provides valuable guidance on the safe use of workshop and power tools.

Learn more: Drill bit

Frequently Asked Questions

Q: What is the difference between a diamond cutting disc and a standard abrasive cutting disc?

A: Diamond cutting discs use industrial diamond particles bonded to the disc surface, making them far harder and more durable than standard abrasive discs. They are ideal for cutting tough materials like tile, glass, ceramic, marble, and porcelain with precision and minimal material loss. Standard abrasive discs are better suited for cutting metal and general-purpose grinding tasks. For specialist tile or stone work, always opt for a diamond blade for cleaner, chip-free cuts.

Q: Can I use these drill bits and cutting discs on any angle grinder or drill?

A: Most of our cutting discs and grinding wheels are designed to fit standard 100mm (4") and 115mm (4.5") angle grinders with a universal 22.23mm arbor — the most common angle grinder fitting. Always check the maximum RPM rating on the disc or wheel against your tool's speed rating before use. Our HSS twist drill bit sets are compatible with any standard keyed or keyless drill chuck, and our CNC end mills are designed for use with compatible CNC router and milling machine spindles.

Q: What does TiN (Titanium Nitride) coating on HSS drill bits and end mills do?

A: Titanium Nitride (TiN) coating is a hard ceramic material applied to HSS (High Speed Steel) drill bits and end mills to significantly increase surface hardness, reduce friction, and improve heat resistance. This means TiN-coated bits stay sharper for longer, run cooler during use, and can handle harder materials with greater efficiency compared to uncoated HSS tools. They are an excellent choice for drilling into steel, aluminium, copper, and hardwoods.

Q: How do I choose the right grinding cup wheel for my project?

A: The right grinding cup wheel depends on the material you're working with and the finish you need. Turbo-segmented diamond cup wheels (like our 4" Turbo Diamond Grinding Cup Wheel – 12 Seg) are ideal for fast stock removal on concrete, granite, and masonry. More segments generally mean a smoother finish, while fewer segments provide more aggressive material removal. Always match the cup wheel's bore size and RPM rating to your angle grinder specifications.

Q: Are these cutting and grinding bits suitable for both professional and DIY use?

A: Absolutely. Our range of drill, cutting, and grinding bits is designed to meet the demands of both professional tradespeople and DIY enthusiasts. Products like our 99-piece HSS drill bit sets and multi-pack abrasive grinding wheels offer great value for home workshops, while our diamond cutting discs, turbo cup wheels, and TiN-coated CNC end mills are built to handle the rigours of professional, high-frequency use on job sites and in machine shops.